| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1100.0 | USD | 20190401 |
| Unknown | China national standards | MT | 140.0 | USD | 20190401 |
| Unknown | China national standards | MT | 160.0 | USD | 20190323 |
| Unknown | China national standards | MT | 120.0 | USD | 20190323 |
| Unknown | China national standards | MT | 120.0 | USD | 20190323 |
| Unknown | China national standards | MT | 160.0 | USD | 20190321 |
| Unknown | China national standards | MT | 680.0 | USD | 20190320 |
| Unknown | China national standards | MT | 110.0 | USD | 20190319 |
| Unknown | China national standards | MT | 860.0 | USD | 20190319 |
| Unknown | China national standards | MT | 840.0 | USD | 20190319 |